DS90CP04_15 Datasheet, PDF (17/24 Pages) Texas Instruments – 1.5 Gbps 4x4 LVDS Crosspoint Switch

DS90CP04
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DEVICE 0 READ PROGRAMMING SEQUENCE
SNLS154I – JANUARY 2002 – REVISED APRIL 2013
SCLK
Number
6
18
36
48
60
74
Event Description
Device 0 (R=0, C=0) detects “READ” frame of first Control Word.
Device 0 (R=0,C=0) sees Row = 1, Column = 0 of first Control Word. The Row address of the first Control Word is
decremented by 1 (Row Address = 0) and sent out RSO.
Device 0 (R=0,C=0) detects "READ" frame of second Control Word.
Device 0 (R=0,C=0) sees Row = 0, Column = 0 of second Control Word. This is a valid configuration read address, Device
0 prepares to transmit configuration information. The Row address of the last Control Word is decremented by 1 (Row
Address = 3F) and sent out RSO.
Device 0 (R=0,C=0) has transmitted configuration information.
Finished transmitting configuration information at Array Output (RSO of Device 1).
DEVICE 1 READ PROGRAMMING SEQUENCE
SCLK
Number
13
25
37
Event Description
Device 1 (R=1, C=0) detects “READ” frame of first Control Word.
Device 1 (R=1,C=0) sees Row = 0, Column = 0 of first Control Word. This is a valid configuration read address, Device 1
prepares to transmit configuration information. The Row address of the last Control Word is decremented by 1 (Row
Address = 3F) and sent out RSO.
Device 1 (R=1,C=0) has transmitted configuration information at Array Output (RSO of Device 1).
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